Emc Corporation

Lenovo (singapore) Pte. Ltd.

Red Hat, Inc.

Brian Foster

Brian R Gruttadauria

Joseph T Frank

Michael S Ryan

Vamsikrishna Sadhu

Suresh Kumar Kalidindi

Pareeja Vivek

A processing device executing a client of a distributed file system receives an initial file, wherein the distributed file system comprises a plurality of nodes, each of the plurality of nodes comprising a local file system that interfaces with the distributed file system. The processing device causes the plurality of nodes to generate file entries of the initial file. The processing device divides the initial file into a plurality of portions, each of the plurality of portions having initial offsets within the initial file. The processing device assigns subsets of the plurality of portions to the plurality of nodes, wherein each of the plurality of nodes is assigned a different subset. The processing device causes the plurality of nodes to write the portions of the assigned subsets at modified offsets within the file entries, wherein the modified offsets cause the portions of the assigned subsets to be contiguous.

Striping files across nodes of a distributed file system

A method is used for configuring I/O cache. A file system and a disk volume are identified. The file system is mounted on the disk volume. A cache mapper logical volume is created in response to a cache creation request. A cache volume is dynamically created from an existing cache storage unit, where the cache mapper logical volume is mounted on the disk volume and the cache volume.

Configuring I/O cache

Disclosed herein is a system and method that that allows device administrators to set disk quotas for each share of a server. Quotas are set and enforced per share. The quota specifies the total disk space the share may consume on the device. When a share reaches or exceeds the set quota the share can no longer be written to.

Consumer share quota feature

A technique involves managing configuration information used by an application. The technique involves disposing a first file in a first physical device. The first file includes first configuration information. The technique further involves disposing a second file in a second physical device. The second file includes second configuration information. The second physical device is different than the first physical device. The technique further involves providing access to a top level file having a first path string to the first file in the first physical device and a second path string to the second file in the second physical device. The top level file in combination with the first and second files operates as a single virtual document which includes the first configuration information of the first file and the second configuration information of the second file.

Growing community of inventors

Haverhill, MA, United States of America

Brian Foster